Lines Matching +full:branches +full:- +full:ignore

1 //===-- MSP430BranchSelector.cpp - Emit long conditional branches ---------===//
8 //===----------------------------------------------------------------------===//
11 // conditional branches need more than 10 bits of displacement to reach their
16 //===----------------------------------------------------------------------===//
28 #define DEBUG_TYPE "msp430-branch-select"
30 STATISTIC(NumExpanded, "Number of branches expanded to long format");
37     /// BlockSizes - The sizes of the basic blocks in the function.
54 /// createMSP430BranchSelectionPass - returns an instance of the Branch
64   // Give the blocks of the function a dense, in-order, numbering.  in runOnMachineFunction()
73       BlockSize += TII->GetInstSizeInBytes(MI);  in runOnMachineFunction()
80   // we know we don't need to shrink any branches in this function.  This is a  in runOnMachineFunction()
99     // Iteratively expand branches until we reach a fixed point.  in runOnMachineFunction()
108         if ((I->getOpcode() != MSP430::JCC || I->getOperand(0).isImm()) &&  in runOnMachineFunction()
109             I->getOpcode() != MSP430::JMP) {  in runOnMachineFunction()
110           MBBStartOffset += TII->GetInstSizeInBytes(*I);  in runOnMachineFunction()
116         MachineBasicBlock *Dest = I->getOperand(0).getMBB();  in runOnMachineFunction()
119         if (Dest->getNumber() <= MBB.getNumber()) {  in runOnMachineFunction()
125           for (unsigned i = Dest->getNumber(), e = MBB.getNumber(); i != e; ++i)  in runOnMachineFunction()
130           BranchSize = -MBBStartOffset;  in runOnMachineFunction()
132           for (unsigned i = MBB.getNumber(), e = Dest->getNumber(); i != e; ++i)  in runOnMachineFunction()
136         // If this branch is in range, ignore it.  in runOnMachineFunction()
147         if (I->getOpcode() == MSP430::JMP) {  in runOnMachineFunction()
154           Cond.push_back(I->getOperand(1));  in runOnMachineFunction()
157           TII->ReverseBranchCondition(Cond);  in runOnMachineFunction()
158           BuildMI(MBB, I, dl, TII->get(MSP430::JCC))  in runOnMachineFunction()
164         I = BuildMI(MBB, I, dl, TII->get(MSP430::Bi)).addMBB(Dest);  in runOnMachineFunction()
170         // block by NewSize-2, remember to iterate.  in runOnMachineFunction()
171         BlockSizes[MBB.getNumber()] += NewSize-2;  in runOnMachineFunction()